Definition: to think that something is probably true, or is likely to happen Level: B2
他们怀疑他在说谎。
They ___suspect he was lying.
我怀疑她不会来了，因为她很忙。
I ___suspect she won't come because she's very busy.
我怀疑那只是个借口。
I ___suspect that was just an excuse.
