overarm
adjective, adverb mainly UK uk/ˈəʊ.və.rɑːm/ us/ˈoʊ.vɚ.ɑːrm/ (US usually overhand)
（尤指投球）举手过肩的（地） ;上手投球的（地）
(especially of a throw) made with the arm moving above the shoulder
an overarm throw/serve 上手投球／发球
Bowl it overarm. 手举过肩把它投出去。