HSK 4
耐心
nàixīn形名
to be patient; patience
老师很有耐心地回答问题。
Lǎo shī hěn yǒu nài xīn dì huí dá wèn tí.
The teacher answers questions patiently.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 4.