to disturb; to prevent; to obstruct; to hinder
advantage; benefit; merit; good point; plus
helmet; hard hat; protective headgear
ultraviolet rays; ultraviolet radiation; UV radiation
hard; tough; hardware; hard disk (drive)
ingredient; (raw) material; unprocessed timber; raw timber; subject matter; topic
even; (if) only; just; besides; on top of that
(face) mask; (facial) features; looks; mask (e.g. for circuit etching)
to keep one's mouth shut; to refuse to talk
to succeed; to relieve; to take the place of; to substitute for; to be exchanged; to change (places with)
to wear (from the shoulders down); to put on; to take (the blame, responsibility); to bear
obstacle; hindrance; impediment; difficulty
I'm sorry; (it's) inexcusable; I feel regretful; thank you very much (for help, etc.)
task; (doing a) bit of work; difficult task; hard work
to shelter (e.g. a fugitive); to harbour; to harbor; to hide; to give refuge to
to track down; to locate; to find out; to smoke out; to ferret out; to chase up
high-speed rail; rapid (rail) transit
to tie; to bind; to bear (fruit); to close (e.g. deal); to confirm; to connect (two distant places); to close tightly
chaps (in the skin); cracks
to be worth it; to pay; to be profitable
on the contrary; far from it; if anything; in fact; instead
usual; ordinary; normal; regular; general; common
search (esp. for someone or something missing); manhunt; legally authorized search of a person, building, etc.
special characteristic; special quality; trait; idiosyncrasy; peculiarity
extensive; vast range; wide scope
to exert (influence); to exercise; to cause (e.g. damage); to do (e.g. harm); to bring about (e.g. benefits); to extend
poor (at); weak (in); not very good (at); not one's cup of tea; not one's favorite
to take offense (at); to take offence (at); to feel hurt (by)
opportunity; occasion; (arch.) order; (arch.) sequence; (arch.) successor
to gain experience; to accumulate experiences
main; principal; chief; primary; major
senior (at school, work, etc.); superior; elder; older person; predecessor
most suitable; optimum; optimal; best
to make a decision; to draw a conclusion; to give a judgement; to hand down a verdict; to let go down; to lower; to do oneself
so to speak; so to call it; as it were; in a sense
practice; training; drill; (an) exercise; workout
lack of ability; inadequacy; (being) out of one's depth
daytime; during the day; time from sunrise until sunset; diurnal period