seldom
词形变化：
同义词：
rarely | infrequently | hardly | occasional | hardly ever | occasionally | once in a while | often | not |
反义词：
often |
词义辨析：
同义:
ad.不常, 很少; 难得
rarely
infrequently
hardly
not often
同义参见:
occasional
反义:
ad.不常, 很少; 难得
often
反义参见:
always