manage systematically / order

try every means available / do everything *one can / do *one's best

do all *one can / doing *something to the best of *one's ability / make every possible effort / making every possible effort / *do something to the best of *one's ability / do *one's best

exert oneself to the utmost / do one's very best / doing one's very best

suspect / suspecting / suspicion / doubting / doubt

suspect / disbelieve / be doubtful / distrust / mistrust / be suspicious of / doubt

entertain a suspicion / suspect / be suspicious of / doubt

suspect / be suspicious of *someone

suspect / wonder about / be doubtful of / be suspicious of / doubt

smoke / smoulder / smolder