351. The lecture which lasted about three hours was so tedious that the audience couldn't help yawning.
英语四级译文:
持续了三个小时的讲座太枯燥了,听众都忍不住打呵欠了。
四级词汇讲解:
couldn't help doing sth.相当于can't help doing sth.,意为“不能控制自己(情不自禁地)去做某事”。如:
I can't help refusing to accept his invitation.我不禁拒绝了他的邀请。