Girl climbed up the ladder carefully.
Meaning: A girl moved up a ladder while being very careful.
Choice of Words: Girl is a young female person. Climbed means to move up or down a vertical surface using hands and feet. Up means to a higher position. Ladder is a tall structure with rungs used for climbing. Carefully means to do something with great attention and caution. This sentence describes a girl moving up a ladder in a cautious manner.
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Related Expressions