Main equipment parts inside of system are imported and the quality is reliable and difficult to damage.

系统中主要设备零件采用进口件，质量可靠不易损坏。

youdao

The utility model has the advantages of being stressed uniformly. The utility model is difficult to damage and the cost is low.

本实用新型的床垫具有受力均匀、不易损坏、制作成本低的特点。

youdao

It is difficult to assess the full extent of the damage.

损失情况难以全面估计。

《牛津词典》

If the winners are difficult to curb without doing damage to your economy, the losers are tough to help.

ECONOMIST: Globalisation and the rise of inequality: Rich man, poor man | The

If they try, it may backfire, though I confess it will be difficult to inflict any more damage than has already been done to Republicans by Mitt Romney's full embrace of right wing, anti-illegal immigrant stances.

CNN: Opinion: On gay marriage, Latinos agree with Obama

That damage will be difficult to reverse.

BBC: Brenda Heist: How to come back from the dead