irregular

• 指不遵循常规规则或模式的；形状、排列或频率不规则的。

Describes something that does not follow the usual rules or patterns; not regular in shape, arrangement, or occurrence.

1. Not following rules or normsB2formal

   Contrary to the usual rule, accepted order, or general practice.

   不合规则的，不规范的

   • His irregular behavior at the meeting surprised everyone.
   • The procedure was considered irregular by the committee.
   • They were penalized for irregular accounting practices.

   同义词abnormalanomalousdevianteccentricerraticexceptionalnonconformingunconventionalunorthodoxunusual

   反义词conventionalnormalorderlyregularstandardtypicalusual

2. Not occurring at expected timesB1formal

   Happening at unpredictable or inconsistent intervals.

   不规律的

   • She has an irregular heartbeat that requires monitoring.
   • The bus service is irregular on weekends.
   • His visits became increasingly irregular over time.

   同义词erraticfitfulinconstantintermittentsporadicunevenunpredictableunsteadyvariable

   反义词regularsteadyuniform

3. Not part of regular military forcesC1formal

   Used of military personnel or groups not belonging to or engaged in by regular army forces.

   非正规的

   • Irregular troops were deployed to the border region.
   • The conflict involved both regular and irregular forces.
   • Irregular soldiers often use guerrilla tactics.

   同义词guerrillainsurgentparamilitarypartisanunofficialvolunteer

   反义词regular

4. Not having standard dimensionsC1formal

   Of solids, not having clear dimensions that can be measured; volume must be determined using liquid displacement.

   不规则

   • The irregular shape of the rock made it hard to measure.
   • Scientists used water displacement to find the volume of the irregular object.
   • Irregular solids require special methods for volume calculation.

   同义词amorphousformlessshapeless

   反义词regularstandard

5. Below manufacturer's standardB2formal

   Falling below the manufacturer's standard for quality or specification.

   低于制造商标准

   • The batch was marked as irregular due to a defect.
   • Irregular items are often sold at a discount.
   • The factory rejected irregular products during quality control.

   同义词blemisheddefectiveflawedimperfectnonconformingsubstandard

6. Deviating from normal expectationsB2formal

   Somewhat odd, strange, or abnormal; deviating from what is typical.

   异常的

   • Her irregular behavior raised some eyebrows.
   • The pattern was irregular and unpredictable.
   • He had an irregular way of solving problems.

   同义词abnormalanomalousatypicaleccentricoddpeculiarstrangeunconventionalunorthodoxunusual

   反义词conventionalnormalregularstandardtypical

• 指非正规武装力量中的成员，从事游击战、破坏和袭扰活动；也指有瑕疵、无品牌、降价出售的商品。

A noun referring to a member of an unconventional armed force that engages in sabotage and harassment, or merchandise with imperfections sold at a reduced price without the brand name.

1. Guerrilla fighterC1formal

   A member of a non-standard military force that employs unconventional tactics, such as sabotage and harassment, to oppose a stronger enemy.

   游击队员

   • The army faced repeated attacks from local irregulars hiding in the mountains.
   • Irregulars played a key role in the resistance movement during the war.
   • Many irregulars were civilians who took up arms to defend their villages.

   同义词freedom fighterguerrillainsurgentparamilitarypartisan

2. Flawed merchandiseB2informalbusiness

   A product that has minor defects or imperfections and is typically sold at a reduced price, often without the original brand name.

   次品

   • The store sells irregulars at deep discounts every weekend.
   • He bought a pair of jeans marked as irregulars because of a small stitching error.
   • These irregulars are perfect for budget shoppers who don't mind minor flaws.

   同义词imperfectrejectsecond