4 sentences for 力气 (lì​qi — effort)

1. 我只用了一半的力气。

   wǒ zhǐ yòng le yī​bàn de lì​qi.

   I only used half of my strength.

   Source: OpenSubtitles

2. 他工作特别卖力气。

   tā gōng​zuò tè​bié mài lì​qi.

   He works exceptionally hard.

   Source: Dong Chinese Dictionary

3. 为了通过考试，他工作起来特别卖力气。

   wèi​le tōng​guò kǎo​shì, tā gōng​zuò qi​lai tè​bié mài lì​qi.

   To pass the exam, he worked extra hard.

   Source: Dong Chinese Dictionary

4. 这只手镯的圈口有点小，她费了好大力气才戴上。

   zhè zhī shǒu​zhuó de quān kǒu yǒu​diǎn xiǎo, tā fèi le hǎo dà lì​qi cái dài​shang.

   The bracelet was a bit small for her wrist, and it took a lot of effort to get it on.

   Source: Dong Chinese Dictionary