音标
英语音标：[ˈsɜːt(ə)nlɪ; -tɪn-]
美语音标：[ˈsɝtnli]
翻译
adv.当然；一定
例句
Beating the world champions is certainly a big ask for the team.
这个队要打败世界冠 军当然难度很大。
Since he left his wife he's certainly gone down in my estimation.
他离弃妻子后我对他的看法便不如以前了。
I certainly don't have anything to prove ─ my record speaks for itself.
我当然不用证明什么——我的纪录就可说明一切。
