if (it) doesn't exist; if there is no ...; if not ...; unless ...; have to ...; must ...
a question (an issue) of where responsibility (liability) lies; a question of who is responsible (to blame)
persevering; very patient
to catch fire; to provoke; to catch fire from; to be ignited
to slip on (slippers, sandals, etc.); to hit (e.g. one's leg) against; to bash into; to push (one's opponent) down before he stands up
starting in advance; starting first; going first; starting (in team sports)
starting late; late departure
class (e.g. school); grade; rank; kyū; kyu; junior rank in martial arts, go, shogi, etc.
battle formation; military formation
forever; for good; eternally; as long as one likes; indefinitely; no matter what
tip of nose; before one's eyes; under one's nose; tip (of something)
to tease; to banter; to make fun of (someone)
purposely (of something needless, unexpected or seemingly counterproductive, etc.); daringly (doing something); not necessarily; not particularly; (arch.) definitely not
continuous operation (of a machine, etc.); continuous running
overheating; overexcitement
battle formation; disposition of troops
going in the opposite direction; going against the wind; running or operating a machine in reverse (such as an electric motor)
shooting; firing; emitting; ejection; projection; injection
disabling; invalidation; nullification; vitiation
charge; rush; dash; assault; attack
hurriedly; in a hurry; in haste; (arch.) sudden
intercept; interception; counter-attack
one-sided; unilateral; arbitrary
loud laughter; roaring with laughter
frequency (esp. of waveforms)
to rush on; to attack; to swoop down on
(your, his, her) daughter
curtain; bunting; act (in play)
emission (of light); radiation (of light); luminescence
to catch up (with); to draw level; to pull even; to be compensated; to make up for one's losses
merrymaking; high jinks; drunken revelry; spree
right in the middle (of); midst; height
tire track; traces of a person or thing; path one has taken; locus