1.begin to 开始

As the domestic market becomes saturated, firms begin to export the product. 由于国内市场饱和，各公司开始外销。

You can't begin to imagine how much that saddens me.
你都无从想象这让我有多悲伤。

2.speak up 大声讲；畅所欲言

I am not suggesting that individuals never speak up about wrong-doing.
我并不是在暗示说，个人永远不要去谴责那些恶行。

I'm quite deaf-you'll have to speak up.
我耳背—你得大声说。