blank space (in documents); vacuum; blank; void
to lend; to loan; to rent out; to hire out
difficult to understand; unintelligible; abstruse
still; yet; more; still more; as ...; like ...
one theory (opinion); another theory (opinion)
before one knows; before one becomes aware of; unnoticed; unawares
endurance; perseverance; patience
ill-natured; mean; mischievous; nasty; unkind; teasing
to examine; to look up; to investigate; to check up; to sense; to study
generous; soft-hearted; having a good personality
to lose (something); to mislay; to get rid of; to eliminate; to remove
anyway; anyhow; at any rate; in any case
thought; consideration; thinking
abstract concept; abstraction; abstract idea
to go by; to cross; to pass by; to flash across
all day long; all the day; throughout the day
all night long; all through the night
sleep; sleeping; inactivity; death
to indulge in; to give oneself up to; to be obsessed by; to be engrossed in; to be lost in; to be absorbed in
it's best to; it's safest to; there's nothing better than
to till; to plow; to plough; to cultivate
as; because; with; due to
to reform (oneself); to conduct oneself well
to acquire a position; to hold an appointment
great admiration; deep respect
minutely; in detail; with particular attention
difference; disparity; gap
term; terminology; wording; choice of words; phraseology
when it comes to; concerning (an area of expertise)
change of heart; change of mind; change in love interest
fault; error; going poorly; being disadvantageous; un-; non-
diligence; industry; assiduity; hard work
mutually; with each other; reciprocally; together; both
field of vision; view; one's outlook (e.g. on life); one's horizons