尽自

tā xīn lǐ lè zī zī de jǐn zi xiào

他心里乐滋滋的尽自笑。

He is so happy that he smiles all the time.

tā tóu yě bù tái de jǐn zi kàn shū

她头也不抬地尽自看书。

She kept on reading without raising her head.

bié jǐn zi sù kǔ

别尽自诉苦

not just keep on complaining