Synonym Boundary: "ごめんなさい", "ただいま", "申し訳ない", "さぞ", "恐れ入る"

When expressing "i'm" in Japanese, you must carefully distinguish between "ごめんなさい", "ただいま", "申し訳ない", "さぞ", "恐れ入る" based on context.

• ごめんなさい (ごめんなさい (gomennasai) - Level: N5): Maps to "I'm sorry" and is used when A common and polite way to apologize, more polite than 「ごめん」 but less formal than 「申し訳ありません.
• ただいま (ただいま (tadaima) - Level: N5): Maps to "I'm home; I'm back" and is used when Said upon returning home or to a familiar place, often to people present. It literally means 'just now' or 'I am just now back'..
• 申し訳ない (もうしわけない (moushiwakenai) - Level: N3): Maps to "I'm sorry, I apologize (very polite)" and is used when A very formal and strong expression of apology or regret, indicating that there is no excuse for one's actions. More formal and often used in serious situations than すみません..
• さぞ (さぞ (sazo) - Level: N2): Maps to "I'm sure; no doubt; it must be; surely" and is used when An adverb expressing a strong assumption or empathy, often with a slight sense of sympathy or understanding. Frequently used with だろう/でしょう..
• 恐れ入る (おそれいる (osoreiru) - Level: N2): Maps to "I'm sorry; Excuse me; Thank you very much; to be embarrassed; to be much obliged" and is used when A very polite expression used to apologize, show deep gratitude, or express humility and embarrassment. It acknowledges the other person's effort or inconvenience..

Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!