Arm pneumatic type driving, simple construction, trouble free.

臂气压式驱动构造简单、故障机率少。

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With the improved living conditions, people lead a stable and trouble-free life.

随着生活条件的改善，人们过上了稳定的、没有烦恼的生活。

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The carnival got off to a virtually trouble-free start with the police reporting only one arrest.

这次狂欢节开幕进行得几乎非常顺利，警方只报告了一起拘捕案。

《柯林斯英汉双解大词典》

It was a new way of driving, offering trouble free, straight-forward motoring between Belfast and Lisburn.

BBC: The M1 celebrates its 50th birthday

Speaking in the debate Liberal Democrat MP Martin Horwood said planning should have been a "rather trouble free" area of coalition policy.

BBC: Planning reform debate part two

The majority of visitors to Barbados enjoy a trouble free visit.

BBC: Barbados rapes: MP warns travellers island is 'unsafe'