Sources: Adso Chinese-English Dictionary; Law Dictionary; 英汉数学大词典; 英汉公共大词典; CC-CEDICT
I find it hard to express my feelings in words.
No words can express her deep sorrow.
I cannot forbear expressing my doubts.
He said with a perplexed expression, "I've heard nothing, so I can't say anything."
但是，我建议你乘 JR 的成田特急（每三十分鐘至一个小时就有一班列车从机场开出），不用转车这麼麻烦。
However, I recommend that you take the JR Narita Express (a train leaves every 30-60 minutes from the airport), to avoid the complexity of changing trains.
There are things in this world which simply cannot be expressed in the form of words.
On behalf of the company, I would like to express our hearty thanks to you all.
I don't like it when mathematicians who know much more than I do can't express themselves explicitly.
You have helped me so much, I'd like to express my sincere gratitude.
They express disagreement by shaking their heads, which may indicate agreement in other countries.