half-cock
adjective UK old-fashioned uk/ˌhɑːfˈkɒk/ us/ˌhæfˈkɑːk/
go off at half-cockUK (US go off half-cocked) 未安排好就仓促行事，过早行事
to fail because of not being well planned or because of starting too soon
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。