firm up

• 短语动词，指使某事物变得更确定、稳固或可靠，或使某物在物理上变紧实、坚固。

A phrasal verb used to indicate the act of making something more definite, solid, or secure, or to become physically firmer.

不可数 · 及物和不及物 · 短语动词，可分

1. Make more solid or secureinformal

   To make something physically harder, more solid, or more stable.

   加固

   • We need to firm up the concrete before walking on it.
   • The soil needs to be firmed up before planting.
   • He firmed up the loose screws on the shelf.

   同义词consolidatehardenreinforcesecuresolidifystrengthentoughen

   反义词looseloosensoftenweaken

2. Finalize or confirminformal

   To make plans, arrangements, or decisions more definite and certain.

   敲定或确认

   • Let's firm up the details for the trip next week.
   • We need to firm up the contract before signing.
   • She firmed up her schedule for the conference.

   同义词clinchconcludeconfirmdetermineestablishfixlock innail downsealsettlesolidify

   反义词canceldissolverescindrevokeundermine

3. Tone or strengthen musclesinformal

   To make muscles more defined and stronger through exercise.

   紧实肌肉

   • She does exercises to firm up her arms.
   • Yoga helps to firm up your core muscles.
   • He started weight training to firm up his body.

   同义词conditionhardensculptstrengthentightentone

基本动词firm