The fact the plane has not appeared on radar when it neared land gives me cause for concern.

这架飞机在接近着陆时没有出现在雷达上的事实让我感到担忧。

youdao

youdao

youdao

Several days later, Sola came to me with a look of great concern.

VOA: special.2010.07.17

This means that a situation does not affect or concern me.

VOA: special.2009.09.13

This,however,did not concern me;

VOA: special.2009.05.16

One market signal is giving me great concern: the yield on 6-month T-bills continues to decline and is now at a record low, just above 0%, even below the December 2008 crisis low.

FORBES: Danger For The Bulls

Finally, let me discuss an issue that is a great concern to me, to members of this chamber, and to the public, and that's how we pay for this plan.

CNN: Obama offers health care details in speech to Congress

But if he or she is ignoring or hiding from the liability, that would concern me.

FORBES: Ask the taxgirl: Getting Married When a Tax Liability Exists