您好,我们可以这样说：
Big cat is chasing a mouse to the big tree .
英式音标：
[bɪg] [kæt] [ɪz] [ˈtʃeɪsɪŋ] [ə; eɪ] [maʊs] [tə; before a vowel; tʊ; stressed; tuː] [before a consonant ðə; before a vowel; ðɪ; stressed; ðiː] [bɪg] [triː] .
美式音标：
[bɪɡ] [kæt] [ɪz] [ˈtʃeɪsɪŋ] [e] [maʊs] [tuˌtə] [ðə] [bɪɡ] [tri] .