類義語対比
難航
VS
蚕食
「難航」と「蚕食」の違いと正しい使い分け
単語A
難航
意味・対訳
difficult navigation, rough passage; making slow progress, encountering difficulties (of negotiations, projects)
読み方
なんこう (nankou)
対象レベル
N1
実用例文
交渉は予想通り難航している。
The negotiations are facing difficulties as expected.
単語B
蚕食
意味・対訳
gradual encroachment; erosion; slow invasion
読み方
さんしょく (sanshoku)
対象レベル
N1
実用例文
外資系企業が国内市場を蚕食しつつある。
Foreign companies are gradually encroaching upon the domestic market.
どっちを使う？使い分けクイズ
示された日本語表現（対訳）に合致する適切な単語を選んでください。
この文脈（difficult navigation, rough passage; making slow progress, encountering difficulties (of negotiations, projects)）に合うのはどちらの単語ですか？
🎉 正解 / Correct!
使い分け解説:
- 難航: Literally meaning 'difficult navigation' for ships, it is commonly used metaphorically for projects, negotiations, or processes that are making slow or difficult progress due to various obstacles and challenges.
- 蚕食: This word describes a slow, steady, and often imperceptible process of taking over, eroding, or encroaching upon something (e.g., territory, culture, market share, resources). It carries a negative connotation, implying a detrimental effect. The Kanji literally mean "silkworm" (蚕) and "eat" (食), reflecting the image of silkworms gradually consuming mulberry leaves. It's primarily used metaphorically.
- 難航: Literally meaning 'difficult navigation' for ships, it is commonly used metaphorically for projects, negotiations, or processes that are making slow or difficult progress due to various obstacles and challenges.
- 蚕食: This word describes a slow, steady, and often imperceptible process of taking over, eroding, or encroaching upon something (e.g., territory, culture, market share, resources). It carries a negative connotation, implying a detrimental effect. The Kanji literally mean "silkworm" (蚕) and "eat" (食), reflecting the image of silkworms gradually consuming mulberry leaves. It's primarily used metaphorically.
日本語の語彙表現を圧倒的にマスターしたいですか？
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