grounding (in a skill or subject); knowledge; training; achievements; attainments; accomplishments
deep-seated grudge; hatred
lazy; idle; indolence; laziness; sloth
alone; unaided; away from home
infiltration; sneaking in; going undercover
on the occasion of; at the time of
inner structure; internal anatomy
recovery; rescue; recapture
withdrawal; secession; separation; breakaway
in one's hands; in one's control
penetration; permeation; transmission
advantage; point in favor; point in favour
to see through (a plot, lie, etc.); to penetrate into; to discover; to find out
to detain; to check; to restrain
baggage; luggage; burden; albatross around one's neck; excess baggage
mistake; error; fault; slip; blunder; omission
taking captive; carrying away; kidnapping; kidnaping; abduction
hunger and thirst; starvation
to pull into; to draw in; to bring in; to win over
repetition; repeat; reiteration; repeatedly
bias; eccentricity; obstinacy
to give one's life (e.g. in battle); to devote one's life (e.g. to a cause)
to atone for; to expiate; to redeem; to make up for; to compensate for
friendship; fellowship; camaraderie
to sing; to chirp; to twitter
(weather) front; front line; forward area; action zone
hypocrite; dissembler; wolf in sheep's clothing; fox in a lamb's skin
busybody; meddler; nosey parker
even (of a trade); no advantage and no disadvantage
close; intimate; on good terms
two people alike; two of a kind; kissing cousins; cut from the same cloth
to get on well (with a person); (lit.) to be a good match with one's horse (e.g. of a rider)
personality; character; personal appearance; gentility
not exceeding; and downward; below (e.g. standard); under (e.g. a level); the below-mentioned; the following
base (e.g. of a triangle); low class; low in social standing; base (e.g. of support); foundation
to put the scalpel to; to perform an operation on; to take drastic measures to get to the bottom of something; to make a searching inquiry; to put something under the microscope