straight as a die
1 absolutely straight.
2 entirely open and honest.
☞ A die here is an engineer's tool for cutting grooves.
❶ 1920Blackwood's Magazine The…Ganges Canal…runs straight as a die between its wooded banks.
英语词组固定搭配大全包含15956条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。