n.

1. 赖债不还的人
   That deadbeat left town owing US$5,000.

   那位赖债者已离开镇上并欠了美金五千元。

2. 游手好闲者
   That deadbeat never worked a day in his life.

   那位懒虫终日游手好闲，一辈子也没工作一天。

3. 落泊者

a.

1. 【物】非周期的；无振荡的

adj.

1. (dead beat) informal completely exhausted.
2. (of a mechanism) without recoil.

n.

1. an idle or feckless person.
2. N. Amer. a person who tries to evade paying debts.