他体质较弱。
Tā tǐzhì jiào ruò.
English
His constitution is weak.
constitution; physical condition; physique
(a person's) constitution; underlying physical condition; physical makeup; (of an organization, society etc) structural soundness
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
他体质较弱。
Tā tǐzhì jiào ruò.
His constitution is weak.
体质可以锻炼。
Tǐzhì kěyǐ duànliàn.
The constitution can be trained.
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.