Dogs are social animals and without proper training, they will behave like wild animals.

狗是群居动物，如果没有适当的训练，它们的行为就会像野兽一样。

youdao

How are we ever going to win anything at the Inter School Athletics without proper training?

如果没有适当的训练，我们怎么能在校际田径比赛中获胜呢？

youdao

The point being that there are those who, without proper training, shall we say, nevertheless, heal.

重点在于那些没有经过适当训练，容我们说，却可以治疗的人们。

youdao

Many Nepalis drive without proper training - ignoring lanes, road signs and road rules.

BBC: Nepal film stars teach traffic police politeness

The suit said Gross was sent to Cuba without proper training or even basic knowledge of Spanish.

CNN: Cuba accuses U.S. of lying about jailed American's health

For a month in May and June 2012, the airport had 77 police officers serving 357 shifts without proper training, the FAA said.

WSJ: Gov't: 4 NY area airports have training violations