1. It would be a breach of duty for the guard to leave before his replacement comes.
    守卫在替补者尚未来之前离开岗位，是不忠于职守的。

2. I found "the King´s soldiers" which the village elder spoke of were Colonel O´Hara´s forces, which had been sent from London to the Gambia River to guard the British fort, James Slave Fort, and the date — 1767 — was right on.
    我发现村里老者说到的“国王的军队”就是上校奥里尔的部队，他们是从伦敦被派到冈比亚河去保卫英国要塞詹姆士堡的，所记载的日期恰好是1767年，完全吻合。

3. I began to turn round to see what he was looking at and at the same moment, the outside bank guard, the one with the machine gun, came flying through the door and lay face down on the floor.
    紧随其后进门的是三个着实令人恐惧的人，他们头上都带着让人恐怖的面罩，还带着枪；至少最前面的一个拿着一支手枪。

4. For a fee of $15.60 per jump, Tokyo Roof rented me a flight suit, special shoes, gloves, earplugs(耳塞), a crash helmet, a face mask, a tooth guard and a safety harness (but no parachute).
    蹦极跳每次收费15.60美元，"东京屋顶" 租给我一套飞行服，特殊的鞋子、手套、耳塞、头盔、面罩、护牙套、还有一套安全装备（但是没有降落伞）。