私は彼らに厳しくして、いつもできるだけ笑わないように努めた。

I; me; private affairs; personal matter; secrecy; selfishness

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

they (usually male); them

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

severe; strict; rigid; unsparing; relentless; stern; austere; grave; solemn; majestic; intense (cold); harsh

to do; to cause to become; to make (into); to turn (into); to serve as; to act as; to work as; to wear (clothes, a facial expression, etc.); to judge as being; to view as being; to think of as; to treat as; to use as; to decide on; to choose; to be sensed (of a smell, noise, etc.); to be (in a state, condition, etc.); to be worth; to cost; to pass (of time); to elapse; verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs"); creates a humble verb (after a noun prefixed with "o" or "go"); to be just about to; to be just starting to; to try to; to attempt to

always; usually; every time; never

to be able (in a position) to do; to be up to the task; to be ready; to be completed; to be made; to be built; to be good at; to be permitted (to do); to become intimate; to take up (with somebody); to grow; to be raised; to become pregnant

only; just; merely; simply; no more than; nothing but; alone; as (e.g. as soon as, as much as); worth

to laugh; to smile; to sneer; to ridicule; to be dumbfounded; to be flabbergasted

in order to (e.g. meet goal); so that; take care (so as); hoping or wishing for something

to endeavor (endeavour); to try; to strive; to make an effort; to exert oneself; to be diligent; to be committed (to doing something)