てくてく
1. (walking a long distance) at a steady pace, intently, earnestly, single-mindedly, trudgingly, ploddingly
（长途跋涉）步伐稳健，全神贯注，认真专注，心无旁骛，艰难跋涉，步履沉重
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@ 擬態語， ぎたいご
1. phenomime, mimetic word, word that mimics an action, condition, or manner that does not make a sound (e.g. "damp", "calmly")
拟态词，即模仿某种无声动作、状态或方式的词语