[俗]乘風(fēng)速航
Passing the exam was a real fluke he didn't work for it at all. 他考試及格實(shí)在是僥幸,因?yàn)樗緵](méi)下過(guò)功夫。
That shot was a sheer fluke. 那完全是靠?jī)e幸擊中的。