Put on a spurt, or you'll fall behind.
加把劲，不然你要落后了。
One will fall behind the times if one does not acquire new knowledge.
不及时充电，更新知识，就会落后于时代。
She was at an early age brought face to face with the horrors of war.
她年幼时就面临战争的恐怖。
Her eyes flicked from face to face.
她的眼光扫过人们的脸。
Slowly but surely she started to fall in love with him
虽然过程缓慢，但她无疑开始爱上他了。
She's afraid she's going to be hurt and that she'll never fall in love again
她害怕自己会受到伤害，从而永远不会再恋爱了。