1." To say something plainly" is to be very direct, to be very explicit, without any sort of hidden message.

“明言”常直接，常直白，没有任何隐藏的信息。机翻

2.The person who wrote this song did not dare speak clearly, but thinking about the two young men on board is a way to imply a tragic meaning.

写这首歌的人不敢明言，但想想船上的两个年轻人，隐含着一种悲惨的意思。机翻

3." Then why are you so quick to call our own wingleader a liar? " My brows rise in challenge, daring him to say what he's so careful to keep quiet.

“那你为何如急于指责我们的翼领个骗子？ ” 我挑起眉毛， 挑战性地看着他，激他道出那他小心翼翼不愿明言的话。机翻

4.So policy, we expect. Now, that's not making policy. They're not saying what's gonna actually happen. They're saying what we expect now is somewhat tighter policy. That probably by itself would be enough to cause a little tremor in markets.

因，政策方面，我们预期会有所。现在这并制定政策，他们并未明言实际将发生什么，而表达了我们当前预期的政策会略显缩。仅一点，或许足以在市场上引发些许波动。机翻