tā qǐ tú yòng jiā bān lái yǎn gài zì jǐ xiào lǜ dī de wèn tí lǐng dǎo yī yǎn jiù kàn chuān le

他企图用加班来掩盖自己效率低的问题，领导一眼就看穿了。

He tried to cover up his inefficiency by working overtime, but his boss saw through it at a glance.