customary

Compared meaning: normal, done regularly or by custom (adjective).

比较义项：通常发生或按照惯例、习惯进行的（形容词）。

• usual

  The most neutral, general word for what normally happens to a specific person, time, or situation, with no judgment implied; common in fixed phrases like 'usual time/place' and 'as usual'.

  语气最中性、笼统的说法，用于描述某个人、某个时间或某种情况通常会怎样，不带评判；常见于“usual time/place”“as usual”等固定说法。

  He arrived at his usual time, right after eight.

  他在平常的时间到达，也就是八点刚过。

• customary 本词

  Describes what a group's customs or social conventions dictate rather than a personal habit; typically appears in the impersonal pattern 'it is customary to...' and carries a slightly formal register.

  表示某个群体的风俗或社会惯例所规定的做法，而不是个人习惯；常用于无人称句型“it is customary to...”，语域略正式。

  It is customary to shake hands when meeting someone new.

  初次见面握手是一种惯例。

• habitual

  Describes a behavior repeated so often that it has become a fixed trait of a person, often with a negative or critical tone, as in 'habitual liar' or 'habitual lateness'.

  表示某种行为反复出现，已经成为一个人固定的特点，常带负面或批评的语气，如“habitual liar”（惯常说谎的人）、“habitual lateness”（习惯性迟到）。

  His habitual lateness finally made his boss lose all patience.

  他习惯性的迟到终于让老板忍无可忍。

Usual, customary and habitual all mean normal or regular. Usual is neutral, for what normally happens, with no judgment. Customary describes what a group's customs dictate, e.g. 'it is customary to...'. Habitual describes behavior repeated so often it becomes a personal trait, often negative.

这三个词都表示“经常发生或按常规进行的”，但语气和适用对象不同：usual最中性、笼统，可用于任何人或情况；customary强调符合某个群体的风俗惯例，语域略正式；habitual强调个人反复养成的习惯，常带负面评价。