经常jīng cháng
1. [day-to-day]∶平时;通常的时候
2. [frequently]∶常常;不止一次
时常shí cháng
[often; frequently] 常常;经常
惯常guàn cháng
[usual;habitual]习以为常,经常
通常tōng cháng
[general;usual;normal] 一般;惯常
往往wǎng wǎng
1. [often;frequently]∶每每;时常
2. [everywhere]∶处处;到处
3. [one after another]∶纷纷