apt.

字辨

likely: 指有发生的可能性;通常用于指好事

He is likely to win.

liable: 严格而言,指可能发生不受欢迎的事

He is liable to be dismissed.

apt: 指与天生或习惯上的倾向或性质有关的可能性

A careless person is apt to make mistakes.

字辨

ready: 主要用以表示已准备就绪,而对于某一要求能够毫不迟疑地去做或去反应,有时亦暗示对某事极为熟练

They were ready for the experiment.

prompt: 指经过练习、训练而随时可以应付要求;往往强调动作

She is prompt to help patients.

quick: 表示凭天赋的才能,可以敏捷地回答或反应

He is quick in decision.

apt: 表示因有很强或很特殊的能力,所以做事非常quick

an apt student

字辨

fit: 指适合于某种条件、目的、要求等,为意义最广的用语

This water is fit to drink.

suitable: 指与某种特定场合、目的、条件等一致,意义比fit强

boots suitable for rainy days

proper: 指当然的,或由于正当的理由而本来应该如此的

the proper dress for skiing

appropriate: 尤指非常适合于某人、某种目的、地位、场合等

A white uniform is appropriate for a nurse.

apt: 指很适合于达成某种目的的

an apt answer