tā / shì tú / yòng / wán xiào / yǐn shì / zì jǐ / de / jǐn zhāng / dàn / tóng shì / hái shi / kàn chū lái / le

他试图用玩笑隐饰自己的紧张，但同事还是看出来了。

He tried to conceal his nervousness with jokes, but his colleagues still saw through it.