be on guard against是什么意思？

• 领域英语
• profile
• volume
• firmness
• scared
• approaches
• 权限英文
• 抛弃英文
• amazing
• general
• bothering
• PAXLOVID怎么读
• 方案英语
• rice
• permitted
• crayon
• dragon
• passage
• bombarded
• cheese
• failure
• droplets
• supper
• modernize
• aspect
• autumn
• mind
• text
• 参数英文
• conflict

• neck
• algiers
• erased
• client
• theatre
• BARRIE
• various
• default
• ticket
• lake
• fiercely
• repeat
• 缺陷英文
• 呼吁英语
• 队长的英文
• chess翻译
• brat
• prompt
• searches
• 确认英文
• polite
• 分配英文
• tomato
• vehicle
• satisfaction
• monitor
• fake
• 旋律的英文
• 纪念品英语
• 解决方案英文

• leave for
• leave sb alone
• leave sb behind
• leave sth out
• let oneself go
• let sb alone
• let sb down
• let sb in for
• live it up
• live up to sth
• live with sth
• look about for sth
• look after sb
• look at sth
• look back on sth
• look for sb
• look forward to sth
• look in sb
• look on somebody
• look on sb as
• look out for sb
• look over sth
• look round
• look round sth
• look sth up
• look to sb for sth
• lose face
• make do with sth