如果中央政府权力太多，就有可能阻碍改革开放的进程。
这大团的尘埃中可能含有氘（氢元素的同位素），恰好妨碍了天文学家们研究恒星和星系形成过程的一切努力。
1·But, naturalists say, creating too much space between trees can disconnect them from their networks, stymieing some of their inborn resilience mechanisms.
但是，自然学家说，在树与树之间制造太多的空间会使得他们失去网络联系，阻碍它们身上天生具备的顺应机制。
2·Speaking earlier in Davos, Kamal Nath, the Indian trade minister, blamed the US election for stymieing negotiations last year and highlighted the difficulties he faced in sensitive areas such as rice.
印度贸易部长卡迈勒·纳特(Kamal Nath)在论坛早些时候就发表讲话指责美国去年的选举阻碍了谈判，他同时还强调了他所面临的诸如大米等敏感问题。