1. The detective suspected that the man was a criminaloid, but had no solid evidence to prove his guilt.
这位侦探怀疑这个人是一个可疑罪犯，但没有确凿的证据证明他的罪行。

2. The criminaloid managed to evade capture by constantly changing his appearance and using false identities.
这个可疑罪犯通过不断改变外貌和使用虚假身份成功地逃避了抓捕。