40話人細心用「attentive」得唔得?

可以!

attentive 有體貼, 細心的意思

形容伴侶, 朋友, 關心別人的人....


My boyfriend is very attentive and loving (深情的).


He is attentive to his little brother

他很關心他的弟弟。



Yahoo 字典:

She was very attentive to her guests.

她對客人招待得十分周到。 (*周到包含左細心的意思)

You can use attentive, but there are some better ones :
careful
circumspect
respectful
assiduous
orderly
accommodating
mindful
heedful
alert
watchful
discreet
chary
wary
leery
vigilant