刚直的英文：
upright and outspoken

参考例句：

My father was upright and outspoken.He held hypocrites in detestation.
我父亲为人刚直，他憎恨伪君子。

Oaks may fall when reeds stand the atom.
小草耐风暴，大树容易倒(强大势力之下，柔曲胜过刚直)。

Any of the long, stiff hairs that project from the snout or brow of most mammals, as the whiskers of a cat.
刚毛大多数哺乳动物的长且刚直的鼻口毛或眉毛，比如猫的胡子。

upright是什么意思：
n. 直柱
adj. 笔直的；正直的
adv. 垂直（竖立）地

upright steamer
立式蒸锅

He was upright, hearty, and robust.
他身材笔直，精神饱满，体魄壮。

The piano was nearly always an upright.
钢琴差不多总是直立式的。

He carried himself upright.
他极力让自己支撑着。

Something, such as a goal post, that stands upright.
直立的东西，如终点标杆

outspoken是什么意思：
adj. 直率的

an outspoken person
直率的人

an outspoken protagonist of electoral reform
对改革选举制度直抒己见的鼓吹者

He is frank and outspoken and never beats about the bush.
他有意见就坦率地提出来，从不转弯抹角。

The EC is not paid by Pakistan, so I can be outspoken.
由于巴基斯坦不向欧共体交钱，所以我可以直言不讳。

Major Major's father was an outspoken champion of economy in government.
梅杰少校的父亲是政府中最敢直言经济问题的人。