1. Habitual tardiness is irritating to the teachers.
    学生迟到习以为常令教师恼火。

2. Ice and snow are a habitual sight in the north.
    冰雪在北方是常见的。

3. Farmers are habitual early risers.
    农夫惯常早起。

1. habitual的解释

1. 习惯的：habitation 住所 | habitual 习惯的 | hack 劈

2. 习惯性的,习以为常的;惯常的：habitation 居住, 住处; 聚居地 | habitual 习惯性的,习以为常的;惯常的 | habitue 常客, 有毒瘾之人

3. 习惯的,惯常的：be in the habit of 有...习惯 | → habitual 习惯的,惯常的 | → inhabit 居住于,栖息于

4. 惯常：居住 habitation | 惯常 habitual | 惯性酗酒者 habitual drunkard

1. （动作、状态或行为方式）习惯性的，惯常的，典型的
    A habitual action, state, or way of behaving is one that someone usually does or has, especially one that is considered to be typical or characteristic of them.

    e.g. He soon recovered his habitual geniality...
           他不久就恢复了自己一贯的和蔼可亲的态度。
    e.g. If bad posture becomes habitual, you risk long-term effects.
           不良姿势一旦定型，日后可就有你受的了。

2. （人）积习难改的，习以为常的
    You use habitual to describe someone who usually or often does a particular thing.

    e.g. She was a habitual daydreamer.
           她总是耽于幻想。
    e.g. ...the home secretary''s plans for minimum sentences for habitual criminals.
           内政大臣关于设置惯犯起刑点的打算

1. commonly used or practiced
    usual

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

    Synonym: accustomedcustomarywonted(a)