苦口婆心

gē ge jiàn zhuàng lì kè kāi shǐ kǔ kǒu pó xīn de quàn shang le

哥哥见状立刻开始苦口婆心的劝上了。

The elder brother began to persuade earnestly immediately he saw this situation.

jiāo yǔ yīn xué de qín lǎo shī duì tā kǔ kǒu pó xīn le yī fān

教语音学的秦老师对他苦口婆心了一番。

His phonetics teacher, Mrs qin, had tried to give him a pep talk.