1. He always replied rather tardily to my letters.
    他对我的信总是迟迟不作答复。

1. 缓慢：tardigrade 缓慢的 | tardily 缓慢 | tardiness 缓慢

2. 慢慢地：tardigrade 缓步类动物 | tardily 慢慢地 | tardocillin 他多西林

3.

3. 缓慢地/慢慢地/迟延地：tardigrade /缓步类的/缓慢的/缓步类动物/ | tardily /缓慢地/慢慢地/迟延地/ | tardiness /慢/缓慢/迟延/

4. 缓慢地; 晚; 迟; 拖延地 (副)：taraxacum 西洋蒲公英; 药用蒲公英干根 (名) | tardily 缓慢地; 晚; 迟; 拖延地 (副) | tardiness 缓慢; 不情愿; 迟延 (名)

1. later than usual or than expected

    e.g. the train arrived late
           we awoke late
           the children came late to school
           notice came so tardily that we almost missed the deadline
           I belatedly wished her a happy birthday

    Synonym: latebelatedly

2. without speed (`slow'' is sometimes used informally for `slowly'')

    e.g. he spoke slowly
           go easy here--the road is slippery
           glaciers move tardily
           please go slow so I can see the sights

    Synonym: slowlysloweasy