if (it) doesn't exist; if there is no ...; if not ...; unless ...; have to ...; must ...
being one in body and soul; of one flesh; two hearts beating as one
epidermis; cuticle; bark; epidermis; facade
fragile; brittle; delicate; sensitive
drill; gimlet; awl; auger
fretsaw; coping saw; jigsaw
supplementary or additional fertilizer (fertiliser)
mixture of fact and fiction; half-truth
superficial; apparent; seeming; surface; cosmetic
person who is ignorant of the real world; (lit.) frog in a well
transmigration; reincarnation; metempsychosis
impossible to do (although wants to)
completely black; black from top to bottom; black from head to toe
equilateral triangle; regular triangle
hairline; borders of the hair
blameless; above reproach; beyond reproach; faultless; perfect
feeling of transparency; sense of translucence
neat and clean; tidy; trim
stale; hackneyed; cliched
arrangement (music, objects, etc.); organization; adaptation
special order (goods); custom (made); bespoke
novel; original; new; innovative
(an) adult their age (should, should not, etc.); grown man (woman); person who is old enough (to know better)
to become distant; to recede
sidelong glance; flirtatious glance
calculating; sly; cunning; flirty; flirtatious
very loose; slowly; leisurely
to make trouble; to rock the boat; to make waves; to aggravate a situation
third stage; three stages