動詞 strain:

1. to exert much effort or energy
   同義詞：strive, reach, strain
2. test the limits of
   同義詞：try, strain, stress
3. use to the utmost; exert vigorously or to full capacity
   同義詞：strain, extend
4. separate by passing through a sieve or other straining device to separate out coarser elements
   同義詞：sift, sieve, strain
5. cause to be tense and uneasy or nervous or anxious
   同義詞：tense, strain, tense up
6. become stretched or tense or taught
   同義詞：strain, tense
7. remove by passing through a filter
   同義詞：filter, filtrate, strain, separate out, filter out
8. rub through a strainer or process in an electric blender
   同義詞：puree, strain
9. alter the shape of (something) by stress
   同義詞：deform, distort, strain

形容詞 strained:

1. lacking natural ease
   同義詞：labored, laboured
2. under great stress
3. lacking spontaneity; not natural
   同義詞：constrained, forced
4. struggling for effect
   同義詞：agonistic

1. Professional jealousy had led to strained relations between the two men.
   工作中的相互嫉妒導致了這兩人之間的緊張關系。
2. He strained every nerve to get the post, but was unsuccessful.
   他竭盡全力想得到那份工作，但是沒有成功。
3. Struggling to achieve effect; strained and contrived.
   緊張的; 不自然的努力取得效果的; 緊張的，不自然的