Apprehensive

反應敏銳的 /反应敏锐的

fǎnyìng mǐnruì de

(perceptive; quick to learn; intelligent; capable of grasping with the mind or intellect)

善於領會的 /善于领会的

shànyú lǐnghuì de

(perceptive; quick to learn; intelligent; capable of grasping with the mind or intellect)

恐懼 /恐惧

kǒngjù

(anticipating something with anxiety or fear)

憂慮 /忧虑

yōulǜ

(anticipating something with anxiety or fear)