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

When expressing "i'm" in Japanese, you must carefully distinguish between "ごめんなさい", "申し訳ない", "ただ今", "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.
• 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..
• ただ今 (ただいま (tadaima) - Level: N3): Maps to "I'm home; right now; just now" and is used when Commonly used as a greeting upon returning home, or to indicate 'right now' in formal contexts like announcements or apologies..
• 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!