forthrightness的音標為[f??θ"ra?tn?s]，基本翻譯為“直率的；坦率的”。

速記技巧：可以將單詞拆分后分別記憶，如“forth”表示“向前”，“right”表示“正確的”，組合在一起可以理解為“直率”或“坦率”。

forthrightness的英文詞源是：源自拉丁語fortere，意為strong（強壯的）和right（正確的）。

其變化形式包括：

1. 名詞形式為forthrightness，意為直率、坦誠。

2. 形容詞形式為forthright，意為直率的、坦誠的。

相關單詞有：forthcoming（樂于助人的，愿意合作的），forthright（直率的），forte（擅長），fortitude（堅韌），frank（坦率的），bravado（虛張聲勢），audacity（大膽），boldness（大膽），straightforwardness（坦率），impetus（推動力）。

這些單詞都與forthrightness有著某種程度的關聯，體現了其直率、坦誠的品質。

具體來說，forthcoming意為樂于助人的，愿意合作的，與直率相關，因為直率的人通常更愿意與人分享信息和合作。Forte意為擅長，與強壯相關，因為強壯的人通常在各種領域都有優勢。Fortitude意為堅韌，強調在困難和壓力下保持勇氣和決心，也與直率相關，因為直率的人通常更有毅力面對挑戰。

Bravado意為虛張聲勢，audacity意為大膽，boldness意為大膽，這些單詞都與勇敢、無畏相關，也體現了直率的人通常更有冒險精神。Frank意為坦率的，與直率ness有著直接的關聯，表示一個人說話或做事不隱瞞或掩飾。Straightforwardness意為坦率，impetus意為推動力，這兩個單詞都強調了直率的人通常更愿意直接面對問題并推動事情向前發展。

總的來說，這些單詞都體現了forthrightness的品質，即直率、坦誠和勇敢無畏的特點。

常用短語：

1. forthrightness

2. speak out

3. honesty and forthrightness

4. speak one"s mind

5. come out with

6. bluntness

7. be straightforward

例句：

1. She is known for her forthrightness and honesty in dealing with people.

2. He spoke out his opinion on the issue, showing his forthrightness and courage.

3. She always comes out with what she thinks, never afraid to speak her mind.

4. Bluntness can sometimes be a good quality, but it can also hurt others" feelings.

5. Being straightforward is a good way to build trust and maintain relationships.

英文小作文：

When dealing with others, honesty and forthrightness are essential qualities that help us build trust and maintain healthy relationships. We should speak our minds and express our thoughts without fear or reservation, because it shows respect for others and builds bridges of understanding and empathy. However, bluntness should be used with caution, as it can sometimes hurt others" feelings unintentionally. Therefore, being straightforward while maintaining a sense of tact and respect is key to building healthy relationships.