n. 恶棍 a. 强硬的, 艰苦的, 坚固的, 坚韧的, 粗暴的, 咬不动的
It’s tough not to say things like “um,” “uh,” and “like” in everyday speech, but these verbal habits become much more pronounced when speaking on the phone, says Dardis.
四级 · CET-4 2026年6月 第3套
Switching to a new career is difficult and getting reemployed after a layoff is even tougher.
四级 · CET-4 2025年12月 第3套
No beast on Earth is tougher than the tiny tardigrade(缓步类动物).
六级 · CET-6 2025年6月 第2套
This will lead to some tough decisions: whether to grow chocolate or save wildlife.
四级 · CET-4 2024年12月 第2套
By manipulating the DNA of plants, this technology is already being used across the world to make plants tougher and cheaper.
四级 · CET-4 2024年12月 第2套