| 例句 |
They couldn't keep a straight face.他们没法不笑出来。Barbara tried to keep a straight face, but in the end she just couldn't help laughing.芭芭拉想板起脸，可最后还是忍不住笑了。What went through Tom's mind I can't imagine, but he did manage to keep a straight face.汤姆在想什么我不知道，但他确实忍住没笑。When reading some of the competition entries, it was hard to keep a straight face.看着有些参赛作品，让人忍俊不禁。She tried to keep a straight face but, unable to contain herself, burst into laughter.她努力要板起脸来，可是没有忍住，爆发出了一阵大笑。 |