形容词

1. He arrived with his customary promptness.
他像惯常那样准时到达。

2. It is customary to tip the waiter.
给侍者小费是一种习俗。

3. It is customary to give people gifts on their birthday.
送生日礼物是一种社会风气。

4. It is customary with me to do so.
这样做是我的习惯。

1. 习惯性的：-ary 形容词后缀 | customary 习惯性的 | elementary 基本的,初步的

2. 习俗的 usual 一般的：67 cumbersome 麻烦的 burdensome 麻烦的 | 68 customary 习俗的 usual 一般的 | 69 dampen 使潮湿 moisten 使潮湿

1. 习俗的;习惯的
Customary is used to describe things that people usually do in a particular society or in particular circumstances.

e.g. It is customary to offer a drink or a snack to guests...
向客人提供一杯饮料或一份点心是一种习俗。
e.g. At Christmas it was customary for the children to perform bits of poetry...
圣诞节孩子们总要唱一些圣诞颂歌。

adj

1. commonly used or practiced
usual

e.g. his accustomed thoroughness
took his customary morning walk
his habitual comment
with her wonted candor

Synonym: accustomedhabitualwonted(a)

2. in accordance with convention or custom

e.g. sealed the deal with the customary handshake