为什么是through a really hard time 而不是through really a hard time

为什么是through a really hard time 而不是through really a hard time At （ ）present we are going through a hard time , They had a hard time r( ) through the dark forest At___ persent we are going through a hard time I had a really hard time with science 中的 really hard 有什么作用 英语：i had a hard time getting through this novel 这里为什么不是to he I had a really hard time to science this semester. 翻译：it was a really hard time for me I really had a hard time with history. 帮忙解释下英语语法Bill has a really hard time paying attention上句为什么不是 请教这句话的语法问题I am having a really tough time getting through th I went through a hard time when I felt anything but thankful