sensitive

That area on my arm is sensitive, so please be careful when applying the medicine.

(Chinese) 我手臂上的那个区域很敏感，所以涂药时请小心。

Photographic film is highly sensitive to light and must be handled in the dark.

(Chinese) 照相底片对光高度敏感，必须在黑暗中处理。

A sensitive teacher knows when a student is struggling without being told.

(Chinese) 一个心思细腻的老师即使学生不说，也能知道其什么时候在苦苦挣扎。

He gave a sensitive performance that captured the character's hidden sorrow.

(Chinese) 他进行了细腻的表演，捕捉到了角色内心深处的悲哀。