Unlock the door with this key.

用这把钥匙开门。

youdao

And switch ignition on with this key.

和开关点火进行这一关键。

youdao

With this key, you will not be bothered by ads and enjoy premium features.

用这把钥匙，你会不会被人打扰的广告和，享受高级功能。

youdao

Homeland Security Secretary Janet Napolitano, a key figure behind this week's aid package, will visit Mexico early next month along with U.S.

VOA: standard.2009.03.25

The U.S.official faced large hurdles this week, with all sides far apart on the key issue of Jewish settlements in the West Bank.

VOA: standard.2009.09.13

"The key to long term success in this area is our outreach with foreign governments."

VOA: standard.2010.07.23

The article continues with this key passage.

FORBES: Could Default Today Save America from Greek-Style Fiscal Disaster in the Future?

Mr. HILBORN: The chief warden comes with this giant key, you know it sort of takes two hands.

NPR: Conservationists Split on How to Curb Poaching

She said having a cycling network would make cycling a "desirable choice, " with this a key time to get more people on a bike before the "Olympic buzz dwindles".

BBC: Cyclist