protract
vt.延长(lengthen, prolong)
Let's not protract the debate any longer.
我们不要再拖延这场辩论了。
retard
vt.延迟 (detain)
tardy
adj.延迟的 (late, slow)
The tardy student tried to sneak into class.
那个迟到的学生企图溜进教室。
procrastination
n.耽搁，拖延
Procrastination is the thief of time.
拖延就是浪费时间。
suspend
vt.暂停，暂缓
We suspended the building work during the rain.
下雨时我们暂停了建筑工作。
explore
vt.探险；探索(search)
The adventurer explored a dangerous underground cave.
冒险家探索了一个危险的地下洞穴。
ferret
vt. 搜索(search)
The detective finally ferreted out the criminal.
侦探最终查出了罪犯。
grope
vi.摸索(fumble, search)
Tom groped around in the dark until he found the light switch.
汤姆在黑暗中摸索着直到找到电灯开关。
probe
v. 探査(investigate, inspect)
The detective probed into the circumstances of the murder.
侦探调查了谋杀案的情况。
risk
n./vt.冒险
You should not have risked the confrontation with the government.
你不应该冒险与政府对抗。
seek
v.寻找，探求 (endeavor, try, campaign for, search for)
We sought an answer to the question, but couldn't find one.
我们寻找问题的答案，但没有找到。
venture
vi.冒险；冒昧 (risk)
May I venture to ask you a question, sir?
先生，我可以冒昧地问您一个问题吗?
expedition
n.远征(journey, pilgrim age)
rummage
v.翻查，翻寻(ransack, search)