他们被发现在公园长椅上热吻。

They were spotted ___making out on the park bench.

我几乎听不清他在说什么，只能断断续续地理解几个词。

I could barely ___make out what he was saying, catching only a few words here and there.

她试图假装自己懂很多关于艺术的知识。

She tried to ___make out that she knew a lot about art.