underacting is underact's Present Participle

underact

US 
UK 
  • v.表演(角色)不足[不充分]
  • Web不充分地表演；不充分表演；表演不充分
Simple Present：underacts  Present Participle：underacting  Past Participle：underacted  

E-C

E-E

Web Definition

v.
1.
表演(角色)不足[不充分],表演得含蓄