a tough proposition
[口]难处理的事[人], 一件棘手的事
热门单词
- a good patch
- abdominal marking
- Abelian differential
- Able Seaman
- abruptio
- absolute moisture content
- abyssal sediment
- Acacia extract
- acceleration constant
- acceptable deviation
- access eye
- acclimate
- accountant-general
- accountingreport
- accumulative pitch error
- accumulator watch
- accurate statistics
- acetylase
- acetylenic halide
- acetylspiramycin
- acid cleaning
