Bu yıl yine birkaç tehlikeli mal buldum bu yüzden onların hepsini burada tanıtacağım.
- This year again I found a number of dodgy goods so I'll introduce them all here.
Whether he will come at all is doubtful.
- Ob er kommen wird, ist ziemlich zweifelhaft.
It's doubtful if we'll finish in time for Christmas.
- Es ist zweifelhaft, ob wir rechtzeitig zu Weihnachten fertig werden.