- n. 分娩的痛苦；阵痛；辛劳
- v. 苦干；辛劳；（因分娩）发生阵痛
concluding state of pregnancy; from the onset of contractions to the birth of a child;
"she was in labor for six hours"
use of physical or mental energy; hard work;
"he got an A for effort"
"they managed only with great exertion"
"She was digging away at her math homework"
"Lexicographers drudge all day long"
- Mothers know the travail of giving birth to a child.
- He gained the medal through his painful travail.
Some..took refuge from the travails of modern life.出自：Observer