make a situation clear, especially by reaching an understanding
弄清楚，搞懂
live an honest life after being a criminal
（罪犯）改邪归正，正直做人
a blank or serious facial expression, especially when trying not to laugh
没有表情的脸；一本正经的脸；不露笑容的脸
my father &B{kept a straight face} when he joked.
我父亲开玩笑的时候板着面孔。
the honest and morally acceptable way of living
诚实道德的生活方式
he's making a real effort to get back on the straight and narrow.
他真的正在努力回到正道上来。
immediately
立刻，马上
(Brit.)a contest between just two opponents, especially in an election
(英)只有两个参赛选手的比赛（尤指竞选）
(dated)(of a blow) swift and well delivered
(旧)（打击）又快又狠的
(of words) frank or direct
（话语）坦率的，直接的，直率的
sometimes he spoke straight from the shoulder and sometimes in puzzles.
有时候他说话非常直接，有时候却又让人非常迷惑。
(informal)without hesitation or deliberation
(非正式)毫不迟疑地，不假思索地
Wendy drank half the bottle straight off.
温迪一口气喝了半瓶。
(Brit.)truthfully; honestly
(英)真实地，真正地
come on, Bert, I won't hurt you—straight up.
好了，伯特，我不会伤害你——真的。
(chiefly N. Amer.)unmixed; unadulterated
(主北美)纯的，不搀杂的
a dry Martini served straight up.
送上来的纯干马提尼酒。
Served without ice
无冰的
a martini straight up.
真正的不带冰的马丁尼酒