(1)通(惯)常的(usual;habitual)[作attrib]：go to one's～restaurant for lunch 到常去的饭店吃午饭;take one's～seat by the window 在窗户旁常坐的座位上坐下;drive with one's～，casual ease 像通常那样漫不经心地开车;in one's～manner 以习惯的方式;one's～smile/attitude/practice 某人惯常的微笑/态度/做法;〖同〗usual，habitual，common，normal，regular;〖反〗unusual，uncommon，rare;

(2)习惯于(in the habit of;being used to)[A(to)，A+to-inf][作pred]：be (get，become，grow)～to one's left hand/the local food/hard work/cold(weather)/sb's strange way(变得)习惯于用左手/当地的食物/艰苦工作/寒冷(气候)/某人的奇怪方式;(eyes) grow～to the light/the gloom(眼睛)慢慢习惯了那种光线/昏暗;be(get，become，grow)～to using one's left hand/working hard/being treated like that(变得)习惯于用左手/努力工作/受到那种对待;be quite～to walking long distances now现在完全习惯走远路了;be～to use one's left hand/to leave home early习惯用左手/早早离家;In these days I was～to sleep for a while after lunch.这些日子里我习惯午饭后睡一会儿。〖同〗used to;〖反〗unused to，unaccustomed;

【用法】accustomed 用于第(2)义时，接不定式表示习惯性或通常要做某事;接介词to+ing分词时表示习惯于做某事。