He's a thrill-seeker. 他是个刺激的追逐者.
You're treading on dangerous ground. 你正走入险境. We're walking a tightrope. 我们步步惊险.
We're treading on thin ice. 我们如临深渊、如履薄冰. The situation looks bad. 情况不妙.
Run for it! 快逃命! I can't take that risk, I have but one life. 我只有老命一条, 不能冒那种险.
