let's dig our heels in and get going.隐含的意思是什么呢~!dig our heels in ?

let's dig our heels in and get going.隐含的意思是什么呢~!dig our heels in ? Let's go and see our c_________.It's dig and bright. Let's begin our let's open our let's do our dig in our Let's enjoy our h____ Let's begin our class. let's s_______ our lesson Let's b____ our lesson. Let's get our boarding Let's ask our teacher's o____. let's protect our environment作文 let's ()(start) our lesson ,shall we 连词造句 clean,classroom,Let’s,our.---------------------------------------------------------- Let's help our mother______the house. let s do our home work_____(one) let`s ___(begin)our meeting now