For public health specialists this can be difficult ground.

对公共卫生专业人员而言，这可能是一个困难的方面。

youdao

I enjoyed playing in the centre of defence at such a difficult ground after playing at full-back in Brussels.

我在中后卫的位置上感觉很好，这要比在布鲁塞尔踢右后卫好多了。

youdao

I enjoyed playing in the centre of defence at such a difficult ground after playing at full-back in Brussels.

我在中后卫的位置上感觉很好，这要比在布鲁塞尔踢右后卫好多了。

youdao