攒
me̞ɽɯᵝ tiː eɪ ɛm iː ɑː juː tiː əʊ ɛs eɪ viː iː slaʃ eɪ siː siː juː ɛm juː ɛl eɪ tiː iː aɪ ɛs siː ɛl əʊ ɛs iː biː juː tiː diː əʊ iː ɛs ɛn tiː kjuː juː aɪ tiː iː siː eɪ piː tiː juː ɑː iː tiː eɪtʃ iː ɛs iː ɛn ɛs iː əʊ ɛf siː əʊ ɛl ɛl iː siː tiː aɪ ɛn dʒiː aɪ tiː iː ɛm ɛs əʊ viː iː ɑː tiː aɪ ɛm iː tiː eɪtʃ iː biː iː ɛs tiː piː eɪtʃ ɑː eɪ ɛs iː aɪ ɛs tʃaɪniːzle̞tə ɕi sɯᵝ dʒapəniːzle̞tə tsɯᵝ tʃaɪniːzle̞tə me̞ ɽɯᵝ ɛs juː keɪ əʊ ɛs eɪtʃ aɪ zɛd juː tiː ɛs juː tiː eɪ ɛm iː ɑː juː tiː əʊ ɛs eɪ viː iː ɛl aɪ tiː tiː ɛl iː biː waɪ ɛl aɪ tiː tiː ɛl iː əʊ ɑː ko̞ tsɯᵝ ko̞ tsɯᵝ tʃaɪniːzle̞tə me̞ ɽɯᵝ keɪ əʊ tiː ɛs juː keɪ əʊ tiː ɛs juː tiː eɪ ɛm iː ɑː juː tiː əʊ ɛs eɪ viː iː diː aɪ ɛl aɪ dʒiː iː ɛn tiː ɛl waɪ
In Japanese 貯める (tameru) - 'to save/accumulate' is close, but doesn't quite capture the sense of 'collecting' items over time. The best phrase is: 少しずつ貯める (sukoshi zutsu tameru) - 'to save little by little' or コツコツ貯める (kotsukotsu tameru) - 'to save diligently'.
To save money, accumulate resources, or collect something little by little.
Example
"我正在攒钱买房子。"