表: wrist or pocket watch...
投掷: to throw sth a long distance, to hurl, to throw at, to throw (dice etc), to flip (a coin)...
诀窍: secret, trick, knack, key...
丢弃: to discard, to abandon...
否则: if not, otherwise, else, or else...
乘人之危: to take advantage of sb's precarious position...
大款: very wealthy person...
朦胧: hazy...
括弧: parenthesis...
自私自利: everything for self and selfish profit (idiom); with no regard for others, selfish, mercenary...
