M: Hard headed does mean stubborn, they have the same meaning.

L：我说呢，我刚才还真不懂什么头硬不硬。原来hard headed就是顽固。

youdao

In then end, "adding to the confusion" of the series, with the same M-sequence "encryption" and restore the original source sequence.

在接受端再把“加乱”了的序列，用同样的M序列“解扰”，恢复原有的信源序列。

youdao

It takes just 1.5 kilowatt-hours (5.4 M J) energy to rotate the Wheel -roughly the same as boiling eight small domestic kettles of water.

转动轮子只需要1.5千瓦时（5.4兆焦耳）的能量，这与使用8壶家用小水壶的能量大致相同。

youdao

"Doc told an interviewer once, 'Whether I'm playing for myself or for an enthusiastic audience, I can get the same emotions I had when Dad got me that first guitar.'

VOA: standard.2010.06.07

If I'm anonymous, it's not me and I could do terrible things without feeling the same moral responsibility.

如果我是匿名的，那我就不是我了,我就能干坏事,而不用感到有道德责任。

耶鲁公开课 - 心理学导论课程节选

All right, so here once again is our same matrix with me and my pair, choosing actions Alpha and Beta, but this time I'm going to put numbers in here.

我们首先讨论我和我对手,选择α或β的矩阵,不过这次我们用数字来表述

耶鲁公开课 - 博弈论课程节选

House defined our public image of a doctor in the naughts, in the same way M.

FORBES: The Most (And Least) Medically Accurate Episodes Of 'House, M.D.'

So I'm that same guy, I haven't changed from those principles anywhere along the way.

CNN: Thompson's September 7, 2007, speech in Des Moines, Iowa

"I'm not in the same place I thought I'd be, but I'm in the right place, " said Dickson.

CNN: Five guys take same photo for 30 years