square

Compared meaning: honest and direct in character (adjective).

比较义项：正直、诚实、直率（形容词）。

• straight

  Straight describes a person's manner or answer as honest and direct, without evasion; common in phrases like 'a straight answer' or 'a straight talker,' focused on speaking plainly rather than fair dealing.

  straight 描述人的态度或回答坦诚直接，不回避；常用于「a straight answer」（坦率的回答）或「a straight talker」（说话直率的人），侧重说话坦率，而非交易中的公平。

  He's known as a straight talker who never sugarcoats bad news.

  大家都知道他讲话直率，从不粉饰坏消息。

• square 本词

  Square emphasizes fairness and honesty in dealings or transactions, as in 'a square deal'; it's about not cheating others, not about verbal directness like straight.

  square 强调交易或为人处事上的公平诚实，如「a square deal」（公平的交易）；侧重不占别人便宜，而不像 straight 那样侧重言语上的直率。

  The mechanic gave us a square deal and didn't overcharge us.

  那个修车师傅给了我们公平的价格，没有多收钱。

• straightforward

  Straightforward combines honesty and directness with simplicity: it describes people, answers, or explanations as candid and easy to follow, with nothing complicated or hidden.

  straightforward 兼具「诚实直率」与「简单易懂」两层意思：形容人、回答或说明既坦率直接，又条理清楚、不复杂、没有隐瞒。

  She gave a straightforward explanation with no hidden tricks or jargon.

  她给出了一个直截了当的解释，没有任何花招或行话。

Straight, square and straightforward all mean honest, but differ in focus. Straight describes speaking honestly and directly, as in 'a straight answer'. Square emphasizes fairness in dealing with others, as in 'a square deal', not about speaking directly. Straightforward combines honesty and directness with simplicity.

这三个词在「正直、诚实」这层意思上很接近，但语气和侧重不同：straight 侧重说话或态度坦率直接，square 侧重交易或为人处事上的公平，straightforward 则同时强调坦率和简单易懂。这里不比较 straight 的「笔直的」（不弯曲的道路等）、square 的「正方形的／广场」等其他意义。