1. The expression "He passed away" is a euphemism for "He died".
    "他去世了"是"他死了"的一种委婉说法。

2. They include: physical appearance, energy, rate of speech, pitch and tone of voice, gestures, expression through the eyes, and the ability to hold the interest of others.
    这些优点包括：体貌、活力、语速、语音语调、手势、眼神，以及使他人对你保持兴趣的能力。

3. A colloquialism is a word or expression often used in informal speech.
    俗语是在非正式讲话时常用的字或措辞；

4. As he felt the smooth, curving sharpness of the metal tips, the girl stood quite still, gazing up into his face with an expression of wonder.
    他抚摸着那些光滑、呈弧形弯曲的金属尖指甲时，女孩静静地站着，惊奇地注视着他的脸。

5. She gave expression to her sadness.
    她流露出了悲伤之情.

6. It´s a figurative expression.
    这是个比喻的表达方式。

7. It has long been known that the hunting scenes depicted on walls were not simply a form of artistic expression.
    大家早就知道，画在墙上的狩猎图景并不是单纯的艺术表现形式，

8. I had seen her expression when she opened the door, her forced smile as she surveyed him from head to toe, checking her judgment of him against that already given to her by Auntie Suyuan.
    我曾注意到她开门时的脸部表情, 以及她从头到脚地打量他，以亲自验证素媛阿姨已经给她讲过的对里奇的评价时露出来的不自然的笑容。

9. I waited until it was my turn, walked up to the desk and started talking to the bank clerk. He had a really strange expression on his face — just sort of a blank (茫然的) stare. I thought he was looking at me until I realised he was staring over my shou
    我转过头去，想看看他在看什么，而就在这时，门外那个银行保安，就是手拿机关枪的那个，跌跌撞撞地冲进门，趴倒在了地上。