他总是喜欢吹牛，说自己的成绩有多好。

Tā zǒng shì xǐhuān chuīniú, shuō zìjǐ de chéngjī yǒu duō hǎo.

He always likes to boast about how good his grades are.

不要总是吹牛，实事求是更重要。

Bùyào zǒng shì chuīniú, shíshìqiúshì gèng zhòngyào.

Don't always boast; being realistic is more important.

他吹牛说自己的业绩创纪录了。

Tā chuīniú shuō zìjǐ de yèjī chuàng jìlùle.

He boasted that his performance set a record.