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INTERMEDIATE LEVEL
Content
hijacker ☊ 
kẻ cướp máy bay ☊
→ → →
FN: hijacker n Piracy
like: hijacker → →
They are in direct contact with the hijackers. ☊ direct ☊
The hijackers agreed to free a further ten hostages. ☊ free ☊
set sb/sth + adj.: The hijackers set the hostages free. ☊ set ☊
threaten to do sth: The hijackers threatened to kill one passenger every hour if their demands were not met. ☊ threaten ☊