Untraceable
a. 难追踪的, 难以发现的, 难以描绘的, 难以摹写的
🗣️ 情景例句
If it's a good job,
假如它是个好工作
It is better to be alone than in bad company.
无友要比交坏友好。
It's time you went to bed.
你早就该睡觉了。